Simplify the variable expression by evaluating its numerical part 4 * 7 * n

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm